CN108118224A - A kind of magnesium alloy materials and preparation method and application - Google Patents
A kind of magnesium alloy materials and preparation method and application Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
- C22C23/02—Alloys based on magnesium with aluminium as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
- C22C23/04—Alloys based on magnesium with zinc or cadmium as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/02—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/06—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of magnesium or alloys based thereon
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Abstract
The present invention relates to metal material fields, and in particular to a kind of magnesium alloy materials and preparation method and application with very good mechanical properties.The present invention provides a kind of magnesium alloy materials, on the basis of the gross weight of the magnesium alloy materials, the magnesium alloy materials include the aluminium of 2 10 weight %, the scandium of 0.001 1.0 weight %, the iron of 0 0.007 weight %, the silicon of 0 0.002 weight %, the calcium of 0 0.015 weight %, the manganese of 0 0.012 weight %, zinc, the tin of 0 10 weight % of 0 7.0 weight %, remaining is magnesium and the composition of inevitable impurity.The magnesium alloy plate or section bar prepared using magnesium alloy materials provided by the invention has higher yield strength and tensile strength and higher elongation percentage, overcomes the drawbacks of magnesium alloy elongation percentage in the prior art is low low with intensity.
Description
Technical field
The present invention relates to metal material fields, and in particular to a kind of magnesium alloy materials and preparation with very good mechanical properties
Method and application.
Background technology
Its alloy of light metal magnesium, aluminium is one of important materials in Lightweight Technology route.Magnesium alloy is using magnesium as matrix
The alloy of other element compositions is added in, feature is that tensile strength, yield strength and elongation percentage are suitable with aluminium alloy, and density is small
(1.8g/cm3), good to the absorbent properties vibrating, impact, casting fluidity is good.Magnesium alloy is mainly used for some non-bearings at present
Part is carried on small component, such as doorframe, roof frame, case of transmission, oil pump casing, camb cap, air inlet pipe；And aluminium alloy has
There is the small (2.7g/cm of density3), be only the 1/3 of steel, specific strength is high, and, good heat dissipation bigger than elasticity modulus, absorb shock resistance is good, bears to rush
Hit that load-carrying ability is bigger than aluminium alloy, the corrosive nature of resistance to organic matter and alkali is good, main alloy element have aluminium zinc, manganese, cerium, thorium and
A small amount of zirconium or cadmium etc..What use was most wide at present is magnesium alloy, followed by magnesium-manganese alloy and magnesium zinc zircaloy, is mainly used for navigating
The industrial departments such as sky, space flight, transport, chemical industry, rocket.In addition, bauxite resource is wide, reproducible utilization, has good craftsmanship, suction
Receive the features such as impact property is good, corrosion-resistant.It is mainly used for vehicle-body outer panel etc. and focuses on intensity, the position of rigidity.Such as Der Kofferraumdeckel, hair
Motivation cover, hoisting type tail gate etc.；It is mainly used for the complex-shaped position such as body inner panel.
Based on energy crisis and problem of environmental pollution, each country in the whole world is putting into effect relevant laws and regulations, contains environment
Pollution reduces energy consumption.Some enterprises are constantly mitigating car mass, with the less pollution to environment.The light weight of automobile
It is not only to mitigate car mass to change, it should also be taken into account that the security of automobile, operating comfort, ride comfort etc., especially automobile
Security.Use of the reduction of transition to steel, can reduce Crash Safety Design of Vehicles, body of a motor car anticollision knot when colliding
Structure is yielding, entail dangers to member's life security.Therefore, as structural material, it is necessary to meet lightweight simultaneously and to mechanical strength
Requirement.
The content of the invention
In order to be directed to drawback in the prior art, the present invention provides a kind of magnesium alloy material with very good mechanical properties
Material and preparation method and application.
To achieve these goals, the present invention provides a kind of magnesium alloy materials, wherein, with the total of the magnesium alloy materials
On the basis of weight, the magnesium alloy materials include the aluminium of 2-10 weight %, the scandium of 0.001-1.0 weight %, 0-0.007 weight %
Iron, the silicon of 0-0.002 weight %, the calcium of 0-0.015 weight %, the manganese of 0-0.012 weight %, zinc, the 0-10 of 0-7.0 weight %
The tin of weight %, remaining is magnesium and the composition of inevitable impurity.
The present invention also provides the preparation methods of above-mentioned magnesium alloy materials, include the following steps：
Molten alloy element obtains the magnesium alloy ingot stage；
The homogenize process magnesium alloy ingot stage；
By the extrusion forming stage after the above-mentioned magnesium alloy ingot preheating to homogenize.
In addition, the present invention also provides above-mentioned magnesium alloy materials in answering in magnesium alloy profiles or magnesium alloy plate are prepared
With.
Magnesium alloy materials according to the present invention as a result of light metal magnesium, aluminium and scandium element as constituent, ensure
Light-weighted while magnesium alloy materials is caused to have excellent mechanical performance, yield strength reaches 120-270MPa, tension
Intensity reaches 160-330MPa, elongation percentage 6-23.8%.
Specific embodiment
The specific embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The endpoint of disclosed scope and any value are not limited to the accurate scope or value herein, these scopes or
Value should be understood to comprising the value close to these scopes or value.For numberical range, between the endpoint value of each scope, respectively
It between the endpoint value of a scope and individual point value and can be individually combined with each other between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
The present invention is described in further detail with reference to specific example.
The present invention provides a kind of magnesium alloy materials, wherein, on the basis of the gross weight of the magnesium alloy materials, the magnesium closes
Golden material includes the aluminium of 2-10 weight %, the scandium of 0.001-1.0 weight %, the iron of 0-0.007 weight %, 0-0.002 weight %
Silicon, the calcium of 0-0.015 weight %, the manganese of 0-0.012 weight %, the zinc of 0-7.0 weight %, the tin of 0-10 weight %, remaining
For magnesium and the composition of inevitable impurity.
In the present invention, by using light metal magnesium, aluminium and scandium element as constituent, ensure that it is light-weighted simultaneously
So that magnesium alloy materials have excellent mechanical performance, yield strength reaches 120-270MPa, tensile strength 160-
330MPa, elongation percentage 6-23.8%.
According to the present invention, in order to further promote magnesium alloy materials have excellent mechanical performance, it is preferable that with the magnesium
On the basis of the gross weight of alloy material, the content of the aluminium is 2-9 weight %, and the content of the scandium is 0.05-0.5 weight %；More
Preferably, on the basis of the gross weight of the magnesium alloy materials, the content of the aluminium is 2-4 weight %, and the content of the scandium is
0.05-0.5 weight %；It is further preferred that on the basis of the gross weight of the magnesium alloy materials, the content of the aluminium is 2.1-
3.5 weight %, the content of the scandium is 0.05-0.35 weight %；It is further preferred that the gross weight with the magnesium alloy materials
On the basis of, the content of the aluminium is 2.8-3.2 weight %, and the content of the scandium is 0.05-0.35 weight %.
In accordance with the present invention it is preferred that on the basis of the gross weight of the magnesium alloy materials, the magnesium alloy materials include
The iron of 0.001-0.007 weight %, the silicon of 0.001-0.002 weight %, the calcium of 0.005-0.015 weight %, 0.003-0.012
The manganese of weight %.
In the specific embodiment of the present invention, on the basis of the gross weight of the magnesium alloy materials, the magnesium alloy
Material includes the iron of 0.002 weight %, the silicon of 0.019 weight %, the calcium of 0.006 weight %, the manganese of 0.010 weight %.
In yet another embodiment of the present invention, on the basis of the gross weight of the magnesium alloy materials, the magnesium alloy material
Material includes the iron of 0.005 weight %, the silicon of 0.001 weight %, the calcium of 0.007 weight %, the manganese of 0.005 weight %.
In yet another embodiment of the present invention, on the basis of the gross weight of the magnesium alloy materials, the magnesium alloy material
Material includes the iron of 0.001 weight %, the silicon of 0.010 weight %, the calcium of 0.013 weight %, the manganese of 0.007 weight %.
In yet another embodiment of the present invention, on the basis of the gross weight of the magnesium alloy materials, the magnesium alloy material
Material includes the iron of 0.001 weight %, the silicon of 0.011 weight %, the calcium of 0.008 weight %, the manganese of 0.007 weight %.
In yet another embodiment of the present invention, on the basis of the gross weight of the magnesium alloy materials, the magnesium alloy material
Material includes the iron of 0.003 weight %, the silicon of 0.011 weight %, the calcium of 0.008 weight %, the manganese of 0.009 weight %.
In the present invention, on the basis of the gross weight of the magnesium alloy materials, the magnesium alloy materials include 0.5-7.0 weights
Measure the zinc of %.Content as zinc can specifically be enumerated：0.5 weight %, 0.96 weight %, 0.98 weight %, 1.01 weight %,
1.25 weight %, 1.50 weight %, 1.82 weight %, 1.86 weight %, 2.00 weight %, 2.01 weight %, 2.12 weight %,
2.25 weight %, 2.50 weight %, 2.75 weight %, 3.0 weight %, 3.25 weight %, 3.5 weight %, 3.65 weight %,
4.02 weight %, 4.10 weight %, 4.13 weight %, 4.25 weight %, 4.5 weight %, 4.75 weight %, 5.0 weight %,
5.25 weight %, 5.58 weight %, 5.59 weight %, 6.0 weight %, 6.23 weight %, 6.29 weight %, 6.36 weight %,
6.5 weight %, 6.75 weight % and 7.0 weight % etc..
In accordance with the present invention it is preferred that on the basis of the gross weight of the magnesium alloy materials, the magnesium alloy materials include 2.5-
The tin of 10 weight %.
Content as tin can specifically be enumerated：2.5 weight %, 2.76 weight %, 2.8 weight %, 2.84 weight %,
2.86 weight %, 3.0 weight %, 3.25 weight %, 3.5 weight %, 3.75 weight %, 4.01 weight %, 4.25 weight %,
4.5 weight %, 4.68 weight %, 4.73 weight %, 4.80 weight %, 4.83 weight %, 4.93 weight %, 5.0 weight %,
5.25 weight %, 5.48 weight %, 5.70 weight %, 5.77 weight %, 5.82 weight %, 6.0 weight %, 6.25 weight %,
6.5 weight %, 6.75 weight %, 7.0 weight %, 7.25 weight %, 7.59 weight %, 7.77 weight %, 7.84 weight %,
7.93 weight %, 8.0 weight %, 8.25 weight %, 8.5 weight %, 8.75 weight %, 9.0 weight %, 9.25 weight %, 9.5
Weight %, 9.75 weight % and 10 weight % etc..
Magnesium alloy materials according to the present invention, the yield strength of the magnesium alloy materials is 80-275MPa, and tensile strength is
160-330MPa, elongation percentage 6-23.8%.Preferably, the yield strength of the magnesium alloy materials is 120-275MPa.As
The yield strength of magnesium alloy materials can specifically be enumerated：80MPa、85.7MPa、100MPa、112MPa、118MPa、125MPa、
130MPa, 150MPa, 159MPa, 171MPa, 189MPa, 200MPa, 225MPa, 236MPa, 252MPa, 257MPa and
272MPa.Tensile strength as magnesium alloy materials can specifically be enumerated：160MPa、165MPa、177MPa、182MPa、
195MPa, 204MPa, 217MPa, 240MPa, 250MPa, 268MPa, 276MPa, 300MPa, 309MPa and 326MPa etc..As
The elongation percentage of magnesium alloy materials can specifically be enumerated：6%th, 6.5%, 6.6%, 7.2%, 7.6%, 7.9%, 8.5%, 9.0%,
10.1%th, 11.0%, 12.6%, 15.8%, 17.7% and 19.5%, 22.1%, 23.2%, 23.8% etc..
The present invention also provides the preparation methods of the magnesium alloy materials of the present invention, include the following steps：
Molten alloy element obtains the magnesium alloy ingot stage；
The homogenize process magnesium alloy ingot stage；
By the extrusion forming stage after the above-mentioned magnesium alloy ingot preheating to homogenize.
It is in the specific embodiment of the present invention：Pure magnesium is heated into melting, when magnesium all fusings, and magnesium liquid temperature is 710
DEG C stablize after, the fine aluminium after preheating and magnesium bearing master alloy are added in magnesium liquid, each component is made to meet above-mentioned magnesium alloy materials
Proportioning, stir, stand, cast obtain magnesium alloy ingot.The fusing point of aluminium and magnesium bearing master alloy considers all at 660 DEG C or more
The mobility of melt, temperature improve 30-50 DEG C, that is, 690-710 DEG C when arriving cast below, meanwhile, add in aluminium and magnesium scandium
Intermediate alloy is also selected in pouring temperature addition, both facilitates melting and stirring, also avoids fusion process scaling loss.At one of the present invention
It is in specific embodiment：The melting under protective gas protection of pure magnesium, the temperature of melting is 690-710 DEG C；The stirring when
Between for 1-2min, the time of standing is 3-5min；The temperature of fine aluminium and magnesium bearing master alloy after preheating is 170-190 DEG C；Institute
Cast is stated to refer to mixed liquor being cast in the crucible for being preheated to 220-240 DEG C.Preheating in order to eliminate crucible and dispensing (fine aluminium and
Magnesium bearing master alloy) in moisture.
The homogenising treatment method of magnesium alloy ingot, includes the following steps made from above-mentioned preparation method：In protective gas
Under atmosphere, by the magnesium alloy ingot in 420-450 DEG C of Homogenization Treatments 12-16h, then water quenching obtains the magnesium of Homogenization Treatments
Alloy cast ingot.
It is in the preparation method of the specific embodiment of the present invention medium section or plate：The magnesium of Homogenization Treatments is closed
Golden stores van goes the oxide skin on surface, and 30-40min is preheated at 300-350 DEG C, and then Isothermal Extrusion adds at 300-350 DEG C
Work obtains section bar or plate.Isothermal Extrusion processing performance is preferable at 300-350 DEG C, and crystal grain is thin.Dynamic recrystallization is just occurring
In the case of, when temperature is relatively low, small grains have little time to grow up；Obtained plate is carried out multi-pass at 280-320 DEG C to roll
The plate of setting thickness is made；Percentage pass reduction is 10-20%, is preferably 20%；It needs to melt down between passage, in 280-320
15-20min is kept the temperature at DEG C；Preferably, 15min is kept the temperature at 320 DEG C.Magnesium alloy conducts heat quickly, so being reduced to fit soon
Below the temperature range for closing rolling.Soaking time is for heat penetration, makes temperature uniform.The extrusion ratio of Isothermal Extrusion is 60-100,
Preferably 80-100；Preferably, the temperature of extruding is 350 DEG C.
There is magnesium alloy plate or section bar prepared by the magnesium alloy materials of the present invention higher yield strength (to be more than
250MPa) with tensile strength (being more than 300MPa), there is higher elongation percentage (elongation percentage >=20%), overcome in the prior art
Lightweight can not be met simultaneously and the drawbacks of to requirement of mechanical strength.
In following embodiment, with pure 99.98 weight %Mg of magnesium, 99.98 weight %Al of fine aluminium, in Mg with 0.001/0.1/
Among magnesium bearing master alloy that the Sc of 1.0 weight % is formed, the magnesium zinc scandium formed in magnesium scandium alloy with the Zn of 1/4/6 weight %
Alloy, the magnesium tin bearing master alloy formed in magnesium scandium alloy with the Sn of 3/5/8 weight %, in magnesium scandium alloy with 3/6/9 weight
The magnalium bearing master alloy for measuring the Al formation of % is raw material.
Each embodiment each component in table 1- tables 4 is prepared as follows.
Melting：In 99.8% N2With 0.2% SF6Under the covering of (percentage by volume) gas, first to pure magnesium 700
DEG C melting is carried out, treat whole fusings, temperature, which is risen to after 710 DEG C of stabilization, adds in conjunction among the fine aluminium for being preheated to 180 DEG C and magnesium scandium
Gold makes fine aluminium and magnesium bearing master alloy all melt and be sufficiently stirred 2min, and melt is stood 5min at 710 DEG C, and removes table
Face scum silica frost is poured into the crucible of 240 DEG C of preheating under conditions of 710 DEG C, prepares magnesium alloy ingot.
Homogenization Treatments：By the magnesium alloy ingot of preparation in protective atmosphere environment, at progress 16h, 420 DEG C of homogenization
Reason, then water quenching obtain the magnesium alloy ingot of Homogenization Treatments.
It squeezes：By the magnesium alloy ingot sample after Homogenization Treatments, vehicle goes the oxide skin on surface, is preheated at 350 DEG C
Then 30min carries out the Isothermal Extrusion processing at 350 DEG C, 6mm, the plate compressor that length is 28mm.
Mechanical property uses GB/T228.1：2010 standards process room temperature tensile sample, and in Jinan, ensaying WDW-200E is omnipotent
(rate of extension 2mm/s) is tested to material metallographic on cupping machine.Test result is shown in Table 5.
Table 1
| Sequence number | Wt% | Sc | Fe | Si | Ca | Mn |
| Comparative example 1 | Mg | - | 0.002 | 0.019 | 0.006 | 0.01 |
| Embodiment 1 | Mg-0.001Sc | 0.001 | 0.005 | 0.001 | 0.007 | 0.005 |
| Embodiment 2 | Mg-0.1Sc | 0.050 | 0.001 | 0.01 | 0.013 | 0.007 |
| Embodiment 3 | Mg-1.0Sc | 0.67 | 0.003 | 0.011 | 0.008 | 0.009 |
Table 2
| Sequence number | Zn | Sc | Fe | Si | Ca | |
| Comparative example 2 | Mg-1Zn | 1.02 | - | 0.003 | - | 0.007 |
| Embodiment 4 | Mg-1Zn-0.1Sc | 1.01 | 0.102 | 0.018 | - | 0.007 |
| Comparative example 3 | Mg-4Zn | 3.65 | - | 0.008 | 0.009 | 0.005 |
| Embodiment 5 | Mg-4Zn-0.1Sc | 4.02 | 0.089 | 0.005 | 0.012 | 0.010 |
| Comparative example 4 | Mg-6Zn | 5.59 | - | 0.009 | 0.008 | 0.004 |
| Embodiment 6 | Mg-6Zn-0.1Sc | 6.36 | 0.089 | 0.004 | 0.053 | 0.008 |
Table 3
| Sequence number | Sn | Sc | Fe | Si | Ca | |
| Comparative example 5 | Mg-3Sn | 2.84 | - | 0.007 | 0.13 | 0.014 |
| Embodiment 7 | Mg-3Sn-0.1Sc | 2.80 | 0.08 | 0.002 | 0.02 | 0.007 |
| Comparative example 6 | Mg-5Sn | 4.68 | - | 0.003 | 0.03 | 0.005 |
| Embodiment 8 | Mg-5Sn-0.1Sc | 4.80 | 0.09 | 0.002 | 0.010 | 0.006 |
| Comparative example 7 | Mg-8Sn | 7.59 | - | 0.001 | 0.04 | 0.005 |
| Embodiment 9 | Mg-8Sn-0.1Sc | 7.93 | 0.09 | 0.002 | 0.011 | 0.007 |
Table 4
| Sequence number | Sn | Sc | Fe | Si | Ca | |
| Comparative example 8 | Mg-3Al | 2.84 | - | 0.007 | 0.13 | 0.014 |
| Embodiment 10 | Mg-3Al-0.1Sc | 2.80 | 0.08 | 0.002 | 0.02 | 0.007 |
| Comparative example 9 | Mg-6Al | 5.58 | - | 0.005 | 0.01 | 0.002 |
| Embodiment 11 | Mg-6Al-0.1Sc | 4.80 | 0.09 | 0.002 | 0.010 | 0.006 |
| Comparative example 10 | Mg-9Al | 8.40 | - | 0.007 | 0.04 | 0.036 |
| Embodiment 12 | Mg-9Al-0.1Sc | 7.93 | 0.09 | 0.002 | 0.011 | 0.007 |
Table 5
Although the specific embodiment of the present invention is described, the limitation not to invention protection domain is affiliated
Field technology personnel should be understood that based on the technical solutions of the present invention those skilled in the art need not pay creation
Property the various modifications or changes that can make of work it is still within the scope of the present invention.
The preferred embodiment of the present invention has been described above in detail, and still, the present invention is not limited thereto.In the skill of the present invention
In art conception range, a variety of simple variants can be carried out to technical scheme, including each technical characteristic with it is any its
Its suitable method is combined, and it should also be regarded as the disclosure of the present invention for these simple variants and combination, belongs to
Protection scope of the present invention.
Claims (9)
1. a kind of magnesium alloy materials, which is characterized in that on the basis of the gross weight of the magnesium alloy materials, the magnesium alloy materials bag
The aluminium of the % of weight containing 2-10, the scandium of 0.001-1.0 weight %, the iron of 0-0.007 weight %, silicon, the 0- of 0-0.002 weight %
The calcium of 0.015 weight %, the manganese of 0-0.012 weight %, the zinc of 0-7.0 weight %, the tin of 0-10 weight %, remaining is for magnesium and not
The composition of evitable impurity.
2. magnesium alloy materials according to claim 1, wherein, on the basis of the gross weight of the magnesium alloy materials, the aluminium
Content for 2-9 weight %, the content of the scandium is 0.05-0.5 weight %.
3. magnesium alloy materials according to claim 2, wherein, on the basis of the gross weight of the magnesium alloy materials, the aluminium
Content for 2.8-3.2 weight %, the content of the scandium is 0.05-0.35 weight %.
4. according to the magnesium alloy materials described in any one in claim 1-3, wherein, using the gross weight of the magnesium alloy materials as
Benchmark, the magnesium alloy materials include the iron of 0.001-0.007 weight %, the silicon of 0.001-0.002 weight %, 0.005-
The calcium of 0.015 weight %, the manganese of 0.003-0.012 weight %.
5. magnesium alloy materials according to claim 4, wherein, on the basis of the gross weight of the magnesium alloy materials, the magnesium
Alloy material includes the zinc of 0.5-7.0 weight %.
6. magnesium alloy materials according to claim 4 or 5, wherein, it is described on the basis of the gross weight of the magnesium alloy materials
Magnesium alloy materials include the tin of 2.5-10 weight %.
7. according to the magnesium alloy materials described in any one in claim 1-6, wherein, the yield strength of the magnesium alloy materials
For 120-270MPa, tensile strength 160-330MPa, elongation percentage 6-23.8%.
8. the preparation method of the magnesium alloy materials in claim 1-6 described in any one, includes the following steps：
Molten alloy element obtains the magnesium alloy ingot stage；
The homogenize process magnesium alloy ingot stage；
By the extrusion forming stage after the above-mentioned magnesium alloy ingot preheating to homogenize.
9. the answering in magnesium alloy profiles or magnesium alloy plate are prepared of the magnesium alloy materials in claim 1-6 described in any one
With.
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| CN108941227A (en) * | 2018-07-09 | 2018-12-07 | 中南大学 | A kind of preparation process of aviation Al-Mg-Sc alloy tubing |
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